*/\r
\r
#include "imports.h"\r
-#include "slang_utility.h"\r
-#include "slang_assemble_conditional.h"\r
#include "slang_assemble.h"\r
-#include "slang_execute.h"\r
+#include "slang_compile.h"\r
\r
-/* _slang_assemble_logicaland() */\r
+/*\r
+ * _slang_assemble_logicaland()\r
+ *\r
+ * and:\r
+ * <left-expression>\r
+ * jumpz zero\r
+ * <right-expression>\r
+ * jump end\r
+ * zero:\r
+ * push 0\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_logicaland (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_logicaland (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- and:\r
- <left-expression>\r
- jumpz zero\r
- <right-expression>\r
- jump end\r
- zero:\r
- push 0\r
- end:\r
- */\r
-\r
- unsigned int zero_jump, end_jump;\r
- slang_assembly_stack_info stk;\r
+ GLuint zero_jump, end_jump;\r
\r
/* evaluate left expression */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to pushing 0 if not true */\r
- zero_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ zero_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* evaluate right expression */\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the expression */\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* push 0 on stack */\r
- file->code[zero_jump].param[0] = file->count;\r
- if (!slang_assembly_file_push_literal (file, slang_asm_bool_push, (GLfloat) 0))\r
- return 0;\r
+ A->file->code[zero_jump].param[0] = A->file->count;\r
+ if (!slang_assembly_file_push_literal (A->file, slang_asm_bool_push, (GLfloat) 0))\r
+ return GL_FALSE;\r
\r
/* the end of the expression */\r
- file->code[end_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_logicalor() */\r
+/*\r
+ * _slang_assemble_logicalor()\r
+ *\r
+ * or:\r
+ * <left-expression>\r
+ * jumpz right\r
+ * push 1\r
+ * jump end\r
+ * right:\r
+ * <right-expression>\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_logicalor (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_logicalor (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- or:\r
- <left-expression>\r
- jumpz right\r
- push 1\r
- jump end\r
- right:\r
- <right-expression>\r
- end:\r
- */\r
-\r
- unsigned int right_jump, end_jump;\r
- slang_assembly_stack_info stk;\r
+ GLuint right_jump, end_jump;\r
\r
/* evaluate left expression */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to evaluation of right expression if not true */\r
- right_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ right_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* push 1 on stack */\r
- if (!slang_assembly_file_push_literal (file, slang_asm_bool_push, (GLfloat) 1))\r
- return 0;\r
+ if (!slang_assembly_file_push_literal (A->file, slang_asm_bool_push, (GLfloat) 1))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the expression */\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* evaluate right expression */\r
- file->code[right_jump].param[0] = file->count;\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ A->file->code[right_jump].param[0] = A->file->count;\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* the end of the expression */\r
- file->code[end_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_select() */\r
+/*\r
+ * _slang_assemble_select()\r
+ *\r
+ * select:\r
+ * <condition-expression>\r
+ * jumpz false\r
+ * <true-expression>\r
+ * jump end\r
+ * false:\r
+ * <false-expression>\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_select (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_select (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- select:\r
- <condition-expression>\r
- jumpz false\r
- <true-expression>\r
- jump end\r
- false:\r
- <false-expression>\r
- end:\r
- */\r
-\r
- unsigned int cond_jump, end_jump;\r
- slang_assembly_stack_info stk;\r
+ GLuint cond_jump, end_jump;\r
\r
/* execute condition expression */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to false expression if not true */\r
- cond_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ cond_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* execute true expression */\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the expression */\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* resolve false point */\r
- file->code[cond_jump].param[0] = file->count;\r
+ A->file->code[cond_jump].param[0] = A->file->count;\r
\r
/* execute false expression */\r
- if (!_slang_assemble_operation (file, &op->children[2], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* resolve the end of the expression */\r
- file->code[end_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_for() */\r
+/*\r
+ * _slang_assemble_for()\r
+ *\r
+ * for:\r
+ * <init-statement>\r
+ * jump start\r
+ * break:\r
+ * jump end\r
+ * continue:\r
+ * <loop-increment>\r
+ * start:\r
+ * <condition-statement>\r
+ * jumpz end\r
+ * <loop-body>\r
+ * jump continue\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_for (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_for (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- for:\r
- <init-statement>\r
- jump start\r
- break:\r
- jump end\r
- continue:\r
- <loop-increment>\r
- start:\r
- <condition-statement>\r
- jumpz end\r
- <loop-body>\r
- jump continue\r
- end:\r
- */\r
-\r
- unsigned int start_jump, end_jump, cond_jump;\r
- unsigned int break_label, cont_label;\r
- slang_assembly_flow_control loop_flow = *flow;\r
- slang_assembly_stack_info stk;\r
+ GLuint start_jump, end_jump, cond_jump;\r
+ GLuint break_label, cont_label;\r
+ slang_assembly_flow_control save_flow = A->flow;\r
\r
/* execute initialization statement */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[0], 0, space, mach, atoms))\r
- return 0;\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[0]))\r
+ return GL_FALSE;\r
\r
/* skip the "go to the end of the loop" and loop-increment statements */\r
- start_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ start_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* go to the end of the loop - break statements are directed here */\r
- break_label = file->count;\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ break_label = A->file->count;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* resolve the beginning of the loop - continue statements are directed here */\r
- cont_label = file->count;\r
+ cont_label = A->file->count;\r
\r
/* execute loop-increment statement */\r
- if (!_slang_assemble_operation (file, &op->children[2], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[2], 0, space, mach, atoms))\r
- return 0;\r
+ if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[2]))\r
+ return GL_FALSE;\r
\r
/* resolve the condition point */\r
- file->code[start_jump].param[0] = file->count;\r
+ A->file->code[start_jump].param[0] = A->file->count;\r
\r
/* execute condition statement */\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: inspect stk */\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the loop if not true */\r
- cond_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ cond_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* execute loop body */\r
- loop_flow.loop_start = cont_label;\r
- loop_flow.loop_end = break_label;\r
- if (!_slang_assemble_operation (file, &op->children[3], 0, &loop_flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[3], 0, space, mach, atoms))\r
- return 0;\r
+ A->flow.loop_start = cont_label;\r
+ A->flow.loop_end = break_label;\r
+ if (!_slang_assemble_operation (A, &op->children[3], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[3]))\r
+ return GL_FALSE;\r
+ A->flow = save_flow;\r
\r
/* go to the beginning of the loop */\r
- if (!slang_assembly_file_push_label (file, slang_asm_jump, cont_label))\r
- return 0;\r
+ if (!slang_assembly_file_push_label (A->file, slang_asm_jump, cont_label))\r
+ return GL_FALSE;\r
\r
/* resolve the end of the loop */\r
- file->code[end_jump].param[0] = file->count;\r
- file->code[cond_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
+ A->file->code[cond_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_do() */\r
+/*\r
+ * _slang_assemble_do()\r
+ *\r
+ * do:\r
+ * jump start\r
+ * break:\r
+ * jump end\r
+ * continue:\r
+ * jump condition\r
+ * start:\r
+ * <loop-body>\r
+ * condition:\r
+ * <condition-statement>\r
+ * jumpz end\r
+ * jump start\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_do (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_do (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- do:\r
- jump start\r
- break:\r
- jump end\r
- continue:\r
- jump condition\r
- start:\r
- <loop-body>\r
- condition:\r
- <condition-statement>\r
- jumpz end\r
- jump start\r
- end:\r
- */\r
-\r
- unsigned int skip_jump, end_jump, cont_jump, cond_jump;\r
- unsigned int break_label, cont_label;\r
- slang_assembly_flow_control loop_flow = *flow;\r
- slang_assembly_stack_info stk;\r
+ GLuint skip_jump, end_jump, cont_jump, cond_jump;\r
+ GLuint break_label, cont_label;\r
+ slang_assembly_flow_control save_flow = A->flow;\r
\r
/* skip the "go to the end of the loop" and "go to condition" statements */\r
- skip_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ skip_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* go to the end of the loop - break statements are directed here */\r
- break_label = file->count;\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ break_label = A->file->count;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* go to condition - continue statements are directed here */\r
- cont_label = file->count;\r
- cont_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ cont_label = A->file->count;\r
+ cont_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* resolve the beginning of the loop */\r
- file->code[skip_jump].param[0] = file->count;\r
+ A->file->code[skip_jump].param[0] = A->file->count;\r
\r
/* execute loop body */\r
- loop_flow.loop_start = cont_label;\r
- loop_flow.loop_end = break_label;\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, &loop_flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[0], 0, space, mach, atoms))\r
- return 0;\r
+ A->flow.loop_start = cont_label;\r
+ A->flow.loop_end = break_label;\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[0]))\r
+ return GL_FALSE;\r
+ A->flow = save_flow;\r
\r
/* resolve condition point */\r
- file->code[cont_jump].param[0] = file->count;\r
+ A->file->code[cont_jump].param[0] = A->file->count;\r
\r
/* execute condition statement */\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the loop if not true */\r
- cond_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ cond_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* jump to the beginning of the loop */\r
- if (!slang_assembly_file_push_label (file, slang_asm_jump, file->code[skip_jump].param[0]))\r
- return 0;\r
+ if (!slang_assembly_file_push_label (A->file, slang_asm_jump, A->file->code[skip_jump].param[0]))\r
+ return GL_FALSE;\r
\r
/* resolve the end of the loop */\r
- file->code[end_jump].param[0] = file->count;\r
- file->code[cond_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
+ A->file->code[cond_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_while() */\r
+/*\r
+ * _slang_assemble_while()\r
+ *\r
+ * while:\r
+ * jump continue\r
+ * break:\r
+ * jump end\r
+ * continue:\r
+ * <condition-statement>\r
+ * jumpz end\r
+ * <loop-body>\r
+ * jump continue\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_while (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_while (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- while:\r
- jump continue\r
- break:\r
- jump end\r
- continue:\r
- <condition-statement>\r
- jumpz end\r
- <loop-body>\r
- jump continue\r
- end:\r
- */\r
-\r
- unsigned int skip_jump, end_jump, cond_jump;\r
- unsigned int break_label;\r
- slang_assembly_flow_control loop_flow = *flow;\r
- slang_assembly_stack_info stk;\r
+ GLuint skip_jump, end_jump, cond_jump;\r
+ GLuint break_label;\r
+ slang_assembly_flow_control save_flow = A->flow;\r
\r
/* skip the "go to the end of the loop" statement */\r
- skip_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ skip_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* go to the end of the loop - break statements are directed here */\r
- break_label = file->count;\r
- end_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ break_label = A->file->count;\r
+ end_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* resolve the beginning of the loop - continue statements are directed here */\r
- file->code[skip_jump].param[0] = file->count;\r
+ A->file->code[skip_jump].param[0] = A->file->count;\r
\r
/* execute condition statement */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to the end of the loop if not true */\r
- cond_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ cond_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* execute loop body */\r
- loop_flow.loop_start = file->code[skip_jump].param[0];\r
- loop_flow.loop_end = break_label;\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, &loop_flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[1], 0, space, mach, atoms))\r
- return 0;\r
+ A->flow.loop_start = A->file->code[skip_jump].param[0];\r
+ A->flow.loop_end = break_label;\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[1]))\r
+ return GL_FALSE;\r
+ A->flow = save_flow;\r
\r
/* jump to the beginning of the loop */\r
- if (!slang_assembly_file_push_label (file, slang_asm_jump, file->code[skip_jump].param[0]))\r
- return 0;\r
+ if (!slang_assembly_file_push_label (A->file, slang_asm_jump, A->file->code[skip_jump].param[0]))\r
+ return GL_FALSE;\r
\r
/* resolve the end of the loop */\r
- file->code[end_jump].param[0] = file->count;\r
- file->code[cond_jump].param[0] = file->count;\r
+ A->file->code[end_jump].param[0] = A->file->count;\r
+ A->file->code[cond_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
-/* _slang_assemble_if() */\r
+/*\r
+ * _slang_assemble_if()\r
+ *\r
+ * if:\r
+ * <condition-statement>\r
+ * jumpz else\r
+ * <true-statement>\r
+ * jump end\r
+ * else:\r
+ * <false-statement>\r
+ * end:\r
+ */\r
\r
-int _slang_assemble_if (slang_assembly_file *file, slang_operation *op,\r
- slang_assembly_flow_control *flow, slang_assembly_name_space *space,\r
- slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)\r
+GLboolean _slang_assemble_if (slang_assemble_ctx *A, slang_operation *op)\r
{\r
- /*\r
- if:\r
- <condition-statement>\r
- jumpz else\r
- <true-statement>\r
- jump end\r
- else:\r
- <false-statement>\r
- end:\r
- */\r
-\r
- unsigned int cond_jump, else_jump;\r
- slang_assembly_stack_info stk;\r
+ GLuint cond_jump, else_jump;\r
\r
/* execute condition statement */\r
- if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
+ if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))\r
+ return GL_FALSE;\r
\r
/* jump to false-statement if not true */\r
- cond_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump_if_zero))\r
- return 0;\r
+ cond_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump_if_zero))\r
+ return GL_FALSE;\r
\r
/* execute true-statement */\r
- if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[1], 0, space, mach, atoms))\r
- return 0;\r
+ if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[1]))\r
+ return GL_FALSE;\r
\r
/* skip if-false statement */\r
- else_jump = file->count;\r
- if (!slang_assembly_file_push (file, slang_asm_jump))\r
- return 0;\r
+ else_jump = A->file->count;\r
+ if (!slang_assembly_file_push (A->file, slang_asm_jump))\r
+ return GL_FALSE;\r
\r
/* resolve start of false-statement */\r
- file->code[cond_jump].param[0] = file->count;\r
+ A->file->code[cond_jump].param[0] = A->file->count;\r
\r
/* execute false-statement */\r
- if (!_slang_assemble_operation (file, &op->children[2], 0, flow, space, info, &stk, mach, atoms))\r
- return 0;\r
- /* TODO: pass-in stk to cleanup */\r
- if (!_slang_cleanup_stack (file, &op->children[2], 0, space, mach, atoms))\r
- return 0;\r
+ if (!_slang_assemble_operation (A, &op->children[2], slang_ref_forbid/*slang_ref_freelance*/))\r
+ return GL_FALSE;\r
+ if (!_slang_cleanup_stack (A, &op->children[2]))\r
+ return GL_FALSE;\r
\r
/* resolve end of if-false statement */\r
- file->code[else_jump].param[0] = file->count;\r
+ A->file->code[else_jump].param[0] = A->file->count;\r
\r
- return 1;\r
+ return GL_TRUE;\r
}\r
\r
projects / mesa.git / blobdiff