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12 Commits (46f342dd0c08b089dca7c153a6290e33b3842488)

Author SHA1 Message Date
Nicolas Hake 370a1dd3d1 Aul: Re-enable parameter type checking after AST rewrite 2016-05-13 16:22:37 +02:00
Nicolas Hake 43c6f946dd Aul: Split assignment op from standard BinOp 
Assignment was special-cased everywhere, so it can just as well get a
separate AST node.
 2016-05-13 13:50:29 +02:00
Nicolas Hake 092a23c2f7 Aul: Parse scripts into an AST, then generate bytecode from that 
This commit contains a fairly substantial rewrite of the C4Script code
generator. Instead of generating bytecode while parsing the script,
we're now parsing the script into a syntax tree, and have any further
processing happen on that instead of the raw source.

At this time, the code generator emits the same bytecode as the old
parser; there are several optimization opportunities that arise from the
new possibility to emit code out of order from its specification by the
author.

Compared to the old compiler, this one is still rather deficient when
dealing with incorrect code; it's also not emitting several warnings
that used to be diagnosed.
 2016-05-12 19:43:48 +02:00
Nicolas Hake 26334cb4d7 Aul: Join AB_INT + AB_Neg 2016-05-09 12:33:59 +02:00
Nicolas Hake 34556e3e81 Aul: Join AB_STRING+AB_ARRAYA to AB_PROP 2016-05-09 12:33:58 +02:00
Nicolas Hake 33f7fb935f C4AulCompiler: Rename iStack to stack_height 2016-05-09 12:33:51 +02:00
Nicolas Hake 41000a8f9a C4AulCompiler: Rename pLoopStack to active_loops 2016-05-09 12:21:33 +02:00
Nicolas Hake d0dbe05876 C4AulCompiler: Rename fJump to at_jump_target 
You have no idea how much I hate systems hungarian.
 2016-05-09 12:21:33 +02:00
Nicolas Hake f0b4ef46a5 GetStackValue: Remove "default: /* unreachable */" 
Without an explicit default case, the compiler can warn about unhandled
enum values inside the switch.
 2016-05-09 12:21:33 +02:00
Nicolas Hake 0a3b31e735 C4AulParse::AddVarAccess: Move to C4AulCompiler 2016-05-09 12:21:33 +02:00
Nicolas Hake 0342711cd4 C4AulCompiler: Take GetStackValue out of public interface 2016-05-09 12:21:33 +02:00
Nicolas Hake 792e12adad C4AulCompiler: Split into separate file 2016-05-09 12:21:33 +02:00